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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D">Right; it’s a bug all right. Happily, I committed a major patch two weeks ago, which cures the bug (I checked). The fix will be in 7.0.2. Meanwhile, if you
can build the HEAD or get a development snapshot, you should be good to do.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D">Thanks for reporting this<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D">Simon<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> glasgow-haskell-users-bounces@haskell.org [mailto:glasgow-haskell-users-bounces@haskell.org]
<b>On Behalf Of </b>Pavel Perikov<br>
<b>Sent:</b> 25 January 2011 19:44<br>
<b>To:</b> Jeremy Shaw<br>
<b>Cc:</b> glasgow-haskell-users@haskell.org<br>
<b>Subject:</b> Re: GHC 7.0.1 (or very strange dimensional-0.8.0.1) bug<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It is NOT type checking bug. It causes Rec {} in core and _|_ in runtime :)<o:p></o:p></p>
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<p class="MsoNormal">On 25.01.2011, at 22:35, Jeremy Shaw wrote:<o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal">There is a weird type-checking bug in 7.0.1 that causes loopy behavior:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><a href="http://hackage.haskell.org/trac/ghc/ticket/4809">http://hackage.haskell.org/trac/ghc/ticket/4809</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Not sure if that is what is happening to you or not. Though in my experience it did not actually print <<loop>>, it just hung.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">- jeremy<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Jan 25, 2011, at 10:48 AM, Pavel Perikov wrote:<o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal"><br>
On 25.01.2011, at 18:37, Bjorn Buckwalter wrote:<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal">(I<o:p></o:p></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">suspect the type inferencer is looping), but maybe you've figured out<o:p></o:p></p>
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<p class="MsoNormal">something workable for you already.<o:p></o:p></p>
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<p class="MsoNormal"><br>
I told you I'm exhausted right now, didn't I? :) This is definitely not type inferencer. The bug causes compiled program looping. And I have at least one case when let-trick fixes the behavior in compiled program.<br>
<br>
Pavel.<br>
<br>
<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
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<p class="MsoNormal">Bjorn<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">(Sorry for the re-repost, Pavel, my incompetence is matched only by my<o:p></o:p></p>
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<p class="MsoNormal">perseverance.)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Jan 25, 2011 at 22:02, Pavel Perikov <<a href="mailto:perikov@gmail.com">perikov@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">in ghci:<o:p></o:p></p>
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<p class="MsoNormal">Prelude> import Numeric.Units.Dimensional.Prelude as D<o:p></o:p></p>
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<p class="MsoNormal">Prelude Numeric.Units.Dimensional.Prelude> D.sqrt $ let s = 9 *~ (meter D.*<o:p></o:p></p>
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<p class="MsoNormal">meter) in s<o:p></o:p></p>
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<p class="MsoNormal">3.0 m<o:p></o:p></p>
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<p class="MsoNormal">Prelude Numeric.Units.Dimensional.Prelude> D.sqrt $ 9 *~ (meter D.* meter)<o:p></o:p></p>
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<p class="MsoNormal">ghci hangs.<o:p></o:p></p>
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<p class="MsoNormal">complied and optimized code detects <<loop>> and let-trick from the above<o:p></o:p></p>
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<p class="MsoNormal">does not help.<o:p></o:p></p>
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<p class="MsoNormal">Here's the complete ghci -v session which contains all package versions<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><o:p> </o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">ghci -v<o:p></o:p></p>
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<p class="MsoNormal">GHCi, version 7.0.1: <a href="http://www.haskell.org/ghc/">http://www.haskell.org/ghc/</a> :? for help<o:p></o:p></p>
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<p class="MsoNormal">Glasgow Haskell Compiler, Version 7.0.1, for Haskell 98, stage 2 booted by<o:p></o:p></p>
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<p class="MsoNormal">GHC version 6.12.3<o:p></o:p></p>
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<p class="MsoNormal">Using binary package database:<o:p></o:p></p>
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<p class="MsoNormal">/Library/Frameworks/GHC.framework/Versions/7.0.1-i386/usr/lib/ghc-7.0.1/package.conf.d/package.cache<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Using binary package database:<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">/Users/pavel/.ghc/i386-darwin-7.0.1/package.conf.d/package.cache<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package containers-0.3.0.0 to avoid conflict with later version<o:p></o:p></p>
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<p class="MsoNormal">containers-0.4.0.0<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package QuickCheck-2.3.0.2 to avoid conflict with later version<o:p></o:p></p>
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<p class="MsoNormal">QuickCheck-2.4.0.1<o:p></o:p></p>
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<p class="MsoNormal">wired-in package ghc-prim mapped to<o:p></o:p></p>
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<p class="MsoNormal">ghc-prim-0.2.0.0-0713122c5f9038c6f0355a37e294e054<o:p></o:p></p>
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<p class="MsoNormal">wired-in package integer-gmp mapped to<o:p></o:p></p>
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<p class="MsoNormal">integer-gmp-0.2.0.2-bfb191b8468e4d812a2bb92622cb246e<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package base mapped to<o:p></o:p></p>
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<p class="MsoNormal">base-4.3.0.0-1ea085b64a078bd9d5eaa9d8d525e35e<o:p></o:p></p>
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<p class="MsoNormal">wired-in package rts mapped to builtin_rts<o:p></o:p></p>
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<p class="MsoNormal">wired-in package template-haskell mapped to<o:p></o:p></p>
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<p class="MsoNormal">template-haskell-2.5.0.0-f262af1f92a427f5cf4133bff041044f<o:p></o:p></p>
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<p class="MsoNormal">wired-in package dph-seq not found.<o:p></o:p></p>
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<p class="MsoNormal">wired-in package dph-par not found.<o:p></o:p></p>
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<p class="MsoNormal">Hsc static flags: -static<o:p></o:p></p>
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<p class="MsoNormal">Loading package ghc-prim ... linking ... done.<o:p></o:p></p>
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<p class="MsoNormal">Loading package integer-gmp ... linking ... done.<o:p></o:p></p>
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<p class="MsoNormal">Loading package base ... linking ... done.<o:p></o:p></p>
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<p class="MsoNormal">Loading package ffi-1.0 ... linking ... done.<o:p></o:p></p>
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<p class="MsoNormal">Prelude> import Numeric.Units.Dimensional.Prelude as D<o:p></o:p></p>
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<p class="MsoNormal">hiding package containers-0.3.0.0 to avoid conflict with later version<o:p></o:p></p>
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<p class="MsoNormal">containers-0.4.0.0<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package QuickCheck-2.3.0.2 to avoid conflict with later version<o:p></o:p></p>
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<p class="MsoNormal">QuickCheck-2.4.0.1<o:p></o:p></p>
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<p class="MsoNormal">wired-in package ghc-prim mapped to<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">ghc-prim-0.2.0.0-0713122c5f9038c6f0355a37e294e054<o:p></o:p></p>
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<p class="MsoNormal">wired-in package integer-gmp mapped to<o:p></o:p></p>
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<p class="MsoNormal">integer-gmp-0.2.0.2-bfb191b8468e4d812a2bb92622cb246e<o:p></o:p></p>
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<p class="MsoNormal">wired-in package base mapped to<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">base-4.3.0.0-1ea085b64a078bd9d5eaa9d8d525e35e<o:p></o:p></p>
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<p class="MsoNormal">wired-in package rts mapped to builtin_rts<o:p></o:p></p>
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<p class="MsoNormal">wired-in package template-haskell mapped to<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">template-haskell-2.5.0.0-f262af1f92a427f5cf4133bff041044f<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-seq not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-par not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** Parser:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package containers-0.3.0.0 to avoid conflict with later version<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">containers-0.4.0.0<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package QuickCheck-2.3.0.2 to avoid conflict with later version<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">QuickCheck-2.4.0.1<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package ghc-prim mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">ghc-prim-0.2.0.0-0713122c5f9038c6f0355a37e294e054<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package integer-gmp mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">integer-gmp-0.2.0.2-bfb191b8468e4d812a2bb92622cb246e<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package base mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">base-4.3.0.0-1ea085b64a078bd9d5eaa9d8d525e35e<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package rts mapped to builtin_rts<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package template-haskell mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">template-haskell-2.5.0.0-f262af1f92a427f5cf4133bff041044f<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-seq not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-par not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Prelude Numeric.Units.Dimensional.Prelude> D.sqrt $ let s = 9 *~ (meter D.*<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">meter) in s<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package containers-0.3.0.0 to avoid conflict with later version<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">containers-0.4.0.0<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package QuickCheck-2.3.0.2 to avoid conflict with later version<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">QuickCheck-2.4.0.1<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package ghc-prim mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">ghc-prim-0.2.0.0-0713122c5f9038c6f0355a37e294e054<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package integer-gmp mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">integer-gmp-0.2.0.2-bfb191b8468e4d812a2bb92622cb246e<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package base mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">base-4.3.0.0-1ea085b64a078bd9d5eaa9d8d525e35e<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package rts mapped to builtin_rts<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package template-haskell mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">template-haskell-2.5.0.0-f262af1f92a427f5cf4133bff041044f<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-seq not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-par not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** Parser:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** Desugar:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** Simplify:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** CorePrep:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** ByteCodeGen:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Loading package old-locale-1.0.0.2 ... linking ... done.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Loading package time-1.2.0.3 ... linking ... done.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Loading package numtype-1.0 ... linking ... done.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Loading package dimensional-0.8.0.1 ... linking ... done.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">3.0 m<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package containers-0.3.0.0 to avoid conflict with later version<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">containers-0.4.0.0<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package QuickCheck-2.3.0.2 to avoid conflict with later version<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">QuickCheck-2.4.0.1<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package ghc-prim mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">ghc-prim-0.2.0.0-0713122c5f9038c6f0355a37e294e054<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package integer-gmp mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">integer-gmp-0.2.0.2-bfb191b8468e4d812a2bb92622cb246e<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package base mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">base-4.3.0.0-1ea085b64a078bd9d5eaa9d8d525e35e<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package rts mapped to builtin_rts<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package template-haskell mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">template-haskell-2.5.0.0-f262af1f92a427f5cf4133bff041044f<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-seq not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-par not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Prelude Numeric.Units.Dimensional.Prelude> D.sqrt $ 9 *~ (meter D.* meter)<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package containers-0.3.0.0 to avoid conflict with later version<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">containers-0.4.0.0<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">hiding package QuickCheck-2.3.0.2 to avoid conflict with later version<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">QuickCheck-2.4.0.1<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package ghc-prim mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">ghc-prim-0.2.0.0-0713122c5f9038c6f0355a37e294e054<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package integer-gmp mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">integer-gmp-0.2.0.2-bfb191b8468e4d812a2bb92622cb246e<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package base mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">base-4.3.0.0-1ea085b64a078bd9d5eaa9d8d525e35e<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package rts mapped to builtin_rts<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package template-haskell mapped to<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">template-haskell-2.5.0.0-f262af1f92a427f5cf4133bff041044f<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-seq not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">wired-in package dph-par not found.<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** Parser:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** Desugar:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** Simplify:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** CorePrep:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">*** ByteCodeGen:<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">HANG!<o:p></o:p></p>
</blockquote>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><o:p> </o:p></p>
</blockquote>
</blockquote>
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